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bagirrra123 [75]
3 years ago
8

Please answer asap it's summer homework Find the surface area of the prism.

Mathematics
1 answer:
Basile [38]3 years ago
3 0
1. Area of triangle
1/2(10)(12)=60
There are two triangles, so multiply by 2
=120

2. Find area of the rectangles
This is an isosceles triangle, so the two rectangles are congruent
(2)(13)(3)=78

3. Find area of bottom rectangle
10(3)= 30

4. Add everything up
120+ 78 + 30= 228

Therefore the surface area of this prism is 228

I hope i helped :)
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